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Individual Calculations April 2009 |
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| Guelgua, Alvaro Total change: 17.40 | |   |
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| IRT X Open Feria de Cali Sub2100 | Cali | COL | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1990 | 1.50 | 2 | 0.62 | 15 | 9.30 | |
|  Escobar, Guido Jose | | | 2008 | COL | 0.50 | 1 | 0.03 | 15 | 0.45 | |  Moran, Daniel Stiven | | | 2055 | COL | 1.00 | 1 | 0.59 | 15 | 8.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | IRT Departamental Absoluto | Yumbo | COL | 2009-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 1990 | 1.50 | 4 | 0.54 | 15 | 8.10 | |
| | Beltran, Carlos Armando | | | 2246 | COL | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Chaverra, Bismark | f | | 2203 | COL | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Sanchez, Victor Hugo | | | 2231 | COL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Herrera, Juan Sebastian | | | 2109 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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